OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P258E

PTO Enable Switch Performance

The PTO enable switch is electrically intact but its state does not match operating conditions — for example asserted while the vehicle is rolling above the PTO speed limit, or asserted/de-asserted in fast succession. The ECM rejects the request to avoid unsafe PTO engagement.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 8E

Possible causes

  • Switch contact bounce high
  • Switch operated while vehicle is moving medium

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 60–350 €
  • Estimated time: 0.3–1.5 h
  • Component: pto enable switch
  • MIL / check engine light

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication